1 .. Permission is granted to copy, distribute and/or modify this
2 .. document under the terms of the GNU Free Documentation License,
3 .. Version 1.1 or any later version published by the Free Software
4 .. Foundation, with no Invariant Sections, no Front-Cover Texts
5 .. and no Back-Cover Texts. A copy of the license is included at
6 .. Documentation/userspace-api/media/fdl-appendix.rst.
8 .. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections
21 .. attention:: This ioctl is deprecated
26 .. c:function:: int ioctl(int fd, AUDIO_SET_MUTE, boolean state)
42 - File descriptor returned by a previous call to open().
48 - Indicates if audio device shall mute or not.
58 This ioctl is for Digital TV devices only. To control a V4L2 decoder use the
59 V4L2 :ref:`VIDIOC_DECODER_CMD` with the
60 ``V4L2_DEC_CMD_START_MUTE_AUDIO`` flag instead.
62 This ioctl call asks the audio device to mute the stream that is
63 currently being played.
69 On success 0 is returned, on error -1 and the ``errno`` variable is set
70 appropriately. The generic error codes are described at the
71 :ref:`Generic Error Codes <gen-errors>` chapter.